Problem with Sensor counters (System Dashboard)

[Ofir-P]

I am stuck in the last part of the Sensor counters (https://github.com/pqpxo/SWAKES_hassio/blob/master/dashboards/system_updated.yaml?fbclid=IwAR1lAvIgb65qSECLI5h6MXjyagLLv2wARHmEFDg3ocfGJPSsv9Qq1iGaXco)) - Starting at Line 432 The picture with the error is the part I'm stuck with, how did you declare those sensors and count them? for example I have 3 camera's currently and I want this thing to show me that 3 out of 3 are ON and functioning well. Here is my code for this dashboard: https://pastebin.com/BFGZWUet Thanks for helping me out